SfxFrameHTMLParser: fix more clang warnings
SfxFrameHTMLParser: fix more clang warnings

Change-Id: I97fe3dcbe6750d9db747b1cbf8b46f7f56781997

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core